For a time gangland figures lived a fast and often lucrative life, but very few made it out alive. After 11 unsolved murders, including Moran brothers Mark and Jason, and their father Lewis, police put together a taskforce to tackle the gangland war. They investigated Andrew 'Benji' Veniamin, Mick Gatto, Carl Williams and Tony Mockbell among others. 
Purana ended up investigating over 300 people, listening in on more than 100,000 hours of phone conversations, using 39 tracking devices to follow suspects for more than 22,000 hours. One of the key police informants was lawyer Nicola Gobbo, a fact which puts several convictions into jeopardy.

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